Mountable light



FIG. 1 is a perspective view of an ornamental design for a mountable light;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a side view of a first side thereof;

FIG. 4 is a side view of a second side thereof;

FIG. 5 is a side view of a third side thereof;

FIG. 6 is a side view of a fourth side thereof;

FIG. 7 is an end view of a first end thereof; and,

FIG. 8 is an end view of a second end thereof.

Broken lines in the drawing indicate unclaimed parts of the article that are not claimed herein, and that form no part of the claimed design; and shaded areas immediately adjacent to a broken line represent claimed surfaces of the design. 

CLAIM The ornamental design for a mountable light, substantially as shown and described. 